Excretion of which of the following is for the adaptation of water conservation?

Q. Excretion of which of the following is for the adaptation of water conservation?
A. Ammonia
B. Urea
C. Uric acid
D. Carbon dioxide
Answer: Uric acid

A. Ammonia
B. Urea
C. Uric acid
D. Carbon dioxide
Answer: Uric acid